Pyroheliometer
[电] 用来测量外红辐射的设备
🏥 医学释义
太阳热量计
🗣️ 情景例句
I'm planning to run for the school board.
我打算竞选联合校董会董事。
Mr. Smith is still in his forties.
史密斯先生才四十几岁。
Why?what happened.
为什么？怎么啦？